Advent Calendar Achievements Here is the full list of all 15 Advent Calendar achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Play the first minigame on December 1stPlay the first minigame on December 1st Play the final minigame on December 25thPlay the final minigame on December 25th Open 3 days on the calendar in a rowOpen 3 days on the calendar in a row Open 10 days on the calendar in a rowOpen 10 days on the calendar in a row Watch the fireplace for over 10 minutesWatch the fireplace for over 10 minutes Listen to holiday music for over 5 minutesListen to holiday music for over 5 minutes Complete a jigsaw puzzle in under 1 minuteComplete a jigsaw puzzle in under 1 minute Complete a jigsaw puzzle of 600 piecesComplete a jigsaw puzzle of 600 pieces Solve a jigsaw puzzle in multiplayerSolve a jigsaw puzzle in multiplayer Achieve 2048 points in a single player game of 2048Achieve 2048 points in a single player game of 2048 Achieve more than 1000 points in a line puzzleAchieve more than 1000 points in a line puzzle Finish a pixel art picture in multiplayerFinish a pixel art picture in multiplayer Complete a pixel art pictureComplete a pixel art picture Finish one day of Match 3 levels without failing onceFinish one day of Match 3 levels without failing once Solve a sudoku puzzle in under 2,5 minuteSolve a sudoku puzzle in under 2,5 minute